Surprise quiz-2

Surprise quiz-2

University

10 Qs

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Surprise quiz-2

Surprise quiz-2

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University

Practice Problem

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the sum of the volume fractions of the fiber and matrix in a composite material?

Less than 1

Exactly 1

Greater than 1

Depends on fiber orientation

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which parameter is used to determine the void content in a composite material?

Fiber volume fraction and mass fraction

Theoretical and actual density

Elastic modulus and Poisson’s ratio

Laminate stacking sequence

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which approach considers the stress-strain relationship of composite materials based on the rule of mixtures?

Mechanics of materials approach

Semi-empirical model

Elasticity approach

Classical lamination theory

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In Classical Lamination Theory (CLT), what assumption is made about the stress in the thickness direction?

It varies linearly

It is constant

It is zero

It depends on fiber orientation

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which failure criterion is most commonly used for laminated composites?

Von Mises Criterion

Maximum Stress Criterion

Rankine Criterion

Mohr-Coulomb Criterion

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the main advantage of sandwich construction?

Increased weight

High strength-to-weight ratio

Increased density

Reduced stiffness

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a typical material used for the core in sandwich construction?

Honeycomb structures

Foam cores

Balsa wood

Stainless steel

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